File Extensions For Mac

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Disk Utility User Guide

Disk Utility on Mac supports several file system formats:

  • Apple File System (APFS): The file system used by macOS 10.13 or later.

  • Mac OS Extended: The file system used by macOS 10.12 or earlier.

  • MS-DOS (FAT) and ExFAT: File systems that are compatible with Windows.

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From the Finder of the Mac, pull down the “Finder” menu and go to “Preferences” and then go to. Sometimes, if your Mac doesn’t recognize a file type as something that one of its programs can handle, or if you want a specific file type to always open in a specific program, Mac OS X Lion might need a little help from you. Mac OS X Lion lets you specify the application in which you want to open a document in the future when you double.

Apple File System (APFS)

Apple File System (APFS), the default file system for Mac computers using macOS 10.13 or later, features strong encryption, space sharing, snapshots, fast directory sizing, and improved file system fundamentals. While APFS is optimized for the Flash/SSD storage used in recent Mac computers, it can also be used with older systems with traditional hard disk drives (HDD) and external, direct-attached storage. macOS 10.13 or later supports APFS for both bootable and data volumes.

APFS allocates disk space within a container on demand. The disk’s free space is shared and can be allocated to any of the individual volumes in the container as needed. If desired, you can specify reserve and quota sizes for each volume. Each volume uses only part of the overall container, so the available space is the total size of the container, minus the size of all the volumes in the container.

Choose one of the following APFS formats for Mac computers using macOS 10.13 or later.

  • APFS: Uses the APFS format.

  • APFS (Encrypted): Uses the APFS format and encrypts the volume.

  • APFS (Case-sensitive): Uses the APFS format and is case-sensitive to file and folder names. For example, folders named “Homework” and “HOMEWORK” are two different folders.

  • APFS (Case-sensitive, Encrypted): Uses the APFS format, is case-sensitive to file and folder names, and encrypts the volume. For example, folders named “Homework” and “HOMEWORK” are two different folders.

You can easily add or delete volumes in APFS containers. Each volume within an APFS container can have its own APFS format—APFS, APFS (Encrypted), APFS (Case-sensitive), or APFS (Case-sensitive, Encrypted).

Mac OS Extended

Choose one of the following Mac OS Extended file system formats for compatibility with Mac computers using macOS 10.12 or earlier.

  • Mac OS Extended (Journaled): Uses the Mac format (Journaled HFS Plus) to protect the integrity of the hierarchical file system.

  • Mac OS Extended (Journaled, Encrypted): Uses the Mac format, requires a password, and encrypts the partition.

  • Mac OS Extended (Case-sensitive, Journaled): Uses the Mac format and is case-sensitive to folder names. For example, folders named “Homework” and “HOMEWORK” are two different folders.

  • Mac OS Extended (Case-sensitive, Journaled, Encrypted): Uses the Mac format, is case-sensitive to folder names, requires a password, and encrypts the partition.

Windows-compatible formats

Choose one of the following Windows-compatible file system formats if you are formatting a disk to use with Windows.

  • MS-DOS (FAT): Use for Windows volumes that are 32 GB or less.

  • ExFAT: Use for Windows volumes that are over 32 GB.

See alsoPartition schemes available in Disk Utility on MacAbout Disk Utility on Mac

As the QuickBooks online enterprise expands, it makes sense that they need to grow their library of file extensions to accommodate the big data. QuickBooks Desktop uses different file types to express varying forms of information. For example, your main company files (QBW) are in a whole other realm than the backup data files (QBB).

File formats also differ depending on your operating system and the version of QuickBooks being used. Are you working with Windows or Mac? QuickBooks 2016 or 2019? To get started, it’s best to understand the most common file extensions and what they represent.

QuickBooks Common File Extensions

QB files are generally categorized by what they do and how they function. So, what are the key file extensions used in QuickBooks? Here are the top ones you should know:

QuickBooks Files for Windows

QBW

File type: QuickBooks Company file

Whenever you generate a company file in the system, it is assigned the .qbw extension. This holds your company file and account data. For example, if you create a company called Easy123, it would appear in QuickBooks as Easy123.qbw. The qbw file is one of the most popular on the platform.

QBB

File type: QuickBooks Backup file

Every time you back up a company file, QuickBooks creates a backup in the system and assigns it a .qbb extension. Familiarize yourself with the qbb file as you will see them a lot.

QBM

File type: QuickBooks Portable file

If you move or email a company file, a compressed version of the file is created and assigned a qbm extension. This helps to track the path of your data.

QBO

File type: QuickBooks Bank Statement file

When a business downloads transactions from their bank, QuickBooks opens them with a .qbo file format. You can also import a qbo file to quickly export transactions into your bank register. These files help to facilitate online banking.

QuickBook Files for Accountants

QBX

File type: Accountant’s Review Copy/Transfer file

If you make a backup of your company file for an accountant, QuickBooks assigns the .qbx file extension. This makes it easier when it comes to tax time. The qbx is a portable company file you export and send to an accountant. When the backup is opened, it becomes an accountant’s copy file.

QBA

File type: Accountant’s Copy file

These QuickBooks file extension types are created when an accountant opens a qbx file. When these are sent for review it becomes an accountant copy.

QBY

File type: Accountant’s Copy Import file

.qby extensions are QuickBooks file formats created after an accountant opens, reviews, and alters the qba file. You can import these and apply changes to your company file (qbw).

QBJ

File type: General Journal Entries file

If you want to add journal entries created by your accountant, you need a General Journal Entries file. To locate this QuickBooks data, look for the .qbj file extension.

Utility Files

IIF

File type: Intuit Interchange Format file

An IIF file is an export file created when your data leaves the accounting software. Whenever you export your list info, QB assigns it an .iif extension.

ND

File type: Network Data file

If you start applying the Multi-user mode, the system will create a .nd file format. This is a configuration file that helps QuickBooks manage your user access settings.

TLG

File type: Transaction Log file

Every time you back up a file, the platform keeps track of changes to the file. The data is saved with a .tlg extension. The next time you back up the file, QB resets the data. If an error is made, you can look at the transaction logs and reset them.

LOG

File type: Event Log file

QuickBooks records important events in the system with a .log file extension. There are two types of log files:

  • QWC.log – This records web connect files and errors
  • Qbwin.log – This record issues in the file menu found during rebuild

Log files are the main types used for troubleshooting.

ECML

File type: Entitlement file

When you register and install QuickBooks, it creates a file with an .ecml extension. This extension tells QuickBooks Support you are using a licensed product.

QBP

File type: QuickBooks Print file

When you set printing preferences, they are saved in a file with a .qbp file. QuickBooks will auto-save your settings. However, if you run into printer problems, you may need to make changes to the file.

QuickBooks Files for Mac

QB2016

File type: Company file

For a QuickBooks accountant that uses a Mac, this is the company file extension for the 2016 version.

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QB2019

File type: Company file

This is the company file extension for the 2019 version of QuickBooks Pro for Mac.

MAC.QBB

File type: Backup file

These QuickBooks file formats are used when you move your Mac files to QuickBooks Desktop for Windows.

DMG

File type: Apple Disk Image file

This extension is the backup for the QB company file. It is saved as an Apple disk image.

plist

File type: Apple Property List file

This stores your preferences and registration data.

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Why Use QuickBooks File Extensions?

QuickBooks doesn’t deal with extensions for excel, CSV files, pdf, or text files. The brand has created its own lexicon. Different types of file extensions have different characteristics that serve various purposes. Some reasons for this include:

File Extension For Macro Enabled Files

  • It becomes easier to determine what a file contains by looking at the extension. Everything is identifiable.
  • Users can categorize their data by file extension to prevent disorganization. It also makes for easier auditing.
  • Once a file is recognized, it helps the desktop launch it in the right application.
  • QuickBooks file extensions help users authenticate data files in a means to secure them.

File Extension For Macro Enabled Workbook

There are over 50 QuickBooks file extension types but you don’t need to remember them all. This list contains what’s important to get started. Although it may feel like you are learning a new language, once you familiarize yourself with these extensions, it streamlines operations, creates a quicker workflow, and saves on time.